What was found
APU INLET SURROUND STRUCTURE FWD -20 STRAP UPPER AND LOWER SUPPORT ANGLES HAVE EXFOLIATING CORROSION. INSTALLED (4EA) ANGLES SUPPORT UPPER AND LOWER AREA AND FWD STRAP AT APU INLET SURROUND STRUCTURE IAW SRM 51-40-02-0G-0.
- Difficulty date
- July 22, 2026
- Submitted
- July 23, 2026
- Operation
- Air carrier
- Aircraft
- N455UP
- Make and model
- Boeing 75724APF
- Aircraft serial
- 25476
- Aircraft time
- 46,102 hours, 22,631 cycles
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Support Angle
- Part number
- 14BN31138201
- Condition
- Corroded
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.